Stronghold S7 Pro

Stronghold S7 Pro – fully electric coffee roaster built for precision and repeatability. Precision and consistency define the Stronghold S7 Pro, a fully electric coffee roaster designed for professionals who require dependable results. Every detail supports accuracy and repeatability, from the vertical drum construction to intelligent heat control.

The vertical drum design maximizes the advantages of electric heating. It enables precise control over the roasting environment while maintaining steady heat distribution. The S7 Pro combines advanced heat management and data-driven operation, allowing roasters to achieve predictable results with every batch.

Key features

• Fully electric roasting: stable energy delivery and controlled roasting conditions.
• Vertical drum architecture: optimized heat utilization and consistent bean movement.
• Efficient heat utilization: reduced energy loss through improved thermal contact and stability.
• 5-layer insulated construction: stable internal temperatures and long-term durability.
• Dual temperature measurement: continuous monitoring of internal and drum surface temperatures.
• Three heat sources: convection, conduction, and radiation for wider flavor development control.
• Extremely fast cooling: rapid cooling to stop development and preserve target flavor.

How it works

1. The vertical drum and rotating agitators keep beans moving evenly to reduce hotspots.
2. Heat stability is supported by efficient heat transfer and reduced thermal loss.
3. Five-layer insulation maintains a stable internal environment and limits external fluctuations.
4. Internal and drum surface temperatures are measured continuously for precise control.
5. Convection, conduction, and radiation are managed to shape roast development and flavor expression.
6. Fast cooling stops the roasting process quickly to prevent overdevelopment.

Design highlights

Optimum heat utilisation

Rotating agitators inside the drum ensure even movement of coffee beans, reducing hotspots and improving thermal contact. This setup minimizes heat loss and supports temperature stability during each roasting phase.

5-layer insulated construction

The five-layer insulation keeps internal heat consistent while preventing external temperature fluctuations. This design reduces energy waste and helps protect the drum from deformation, supporting long-term durability.

Stable operating environment

The Stronghold S7 Pro continuously measures both internal and drum surface temperatures. This dual-sensor approach supports a controlled, repeatable roasting environment for consistent flavor profiles and reliable roasting data.

Three heat sources for wider flavor control

By combining convection, conduction, and radiation heating, the S7 Pro offers broad control over bean development. Users can fine-tune roast curves and explore a wide range of flavor expressions across different origins and roast levels.

Extremely fast cooling system

The cooling process is more than twice as fast as comparable models. Rapid cooling stops the roasting process immediately, helping to preserve intended flavor characteristics and prevent overdevelopment.

Technical specifications

FAQ – Frequently Asked Questions

A professional electric coffee roaster designed for accuracy, repeatability, and controlled flavor development in daily production.